LINEAR-X warning lights with an aluminum housing, available in various lengths, are used inside the vehicle's interior – inside the rear window, inside the front window, on the sun visor, and elsewhere – emitting a highly effective warning light to vehicles ahead or approaching from behind. Thanks to a built-in control circuit, LINEAR-X can be manufactured with a variable number of LEDs, and the light intensity is amplified by lenses. Powered by the vehicle's cigarette lighter, LINEAR-X can be attached to the vehicle's window using vacuum fasteners, allowing for portable use. The product features a flexible coiled cable, allowing you to select a flash mode using the control unit on the vehicle's cigarette lighter.